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A hybrid SS-CAES system with a battery

A hybrid SS-CAES system with a battery
A hybrid SS-CAES system with a battery
Abstract— Renewable energy sources such as wind and solar play a significant role in generating the electricity for rural areas in developing country. However, they are intermittent, which can result in the instability of the electrical power system. This paper investigates a hybrid energy storage system (HESS) based on a small scale compressed air energy storage (SS-CAES) system including a battery, which is used to store excess energy for later use. The SS-CAES system is connected to a boost converter and a small battery through a bidirectional buckboost converter. The boost converter’s output current is controlled such that the speed of the air motor is set by a maximum power tracking controller. The battery’s bidirectional dc/dc converter controls the dc link voltage: it charges the battery if the CAES power is greater than the load; and it discharges if the load demand is greater than the CAES supply. This paper discusses the design of such system. Simulation results show acceptable performance
Omsin, Phaisan
ed21a4a3-ca55-4909-b467-ec71411699a1
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9
Moshrefi-Torbati, Mohamed
65b351dc-7c2e-4a9a-83a4-df797973913b
Omsin, Phaisan
ed21a4a3-ca55-4909-b467-ec71411699a1
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9
Moshrefi-Torbati, Mohamed
65b351dc-7c2e-4a9a-83a4-df797973913b

Omsin, Phaisan, Sharkh, Suleiman and Moshrefi-Torbati, Mohamed (2019) A hybrid SS-CAES system with a battery. 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, Thailand. 10 - 13 Jul 2019.

Record type: Conference or Workshop Item (Paper)

Abstract

Abstract— Renewable energy sources such as wind and solar play a significant role in generating the electricity for rural areas in developing country. However, they are intermittent, which can result in the instability of the electrical power system. This paper investigates a hybrid energy storage system (HESS) based on a small scale compressed air energy storage (SS-CAES) system including a battery, which is used to store excess energy for later use. The SS-CAES system is connected to a boost converter and a small battery through a bidirectional buckboost converter. The boost converter’s output current is controlled such that the speed of the air motor is set by a maximum power tracking controller. The battery’s bidirectional dc/dc converter controls the dc link voltage: it charges the battery if the CAES power is greater than the load; and it discharges if the load demand is greater than the CAES supply. This paper discusses the design of such system. Simulation results show acceptable performance

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Published date: 13 July 2019
Venue - Dates: 16th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, Thailand, 2019-07-10 - 2019-07-13

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Local EPrints ID: 435132
URI: http://eprints.soton.ac.uk/id/eprint/435132
PURE UUID: d85238f2-abce-4a57-a63a-ed4d9d646f8c

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Date deposited: 23 Oct 2019 16:30
Last modified: 14 May 2020 16:41

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